gecko-dev/gfx/2d/ScaledFontDWrite.h

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef MOZILLA_GFX_SCALEDFONTDWRITE_H_
#define MOZILLA_GFX_SCALEDFONTDWRITE_H_
#include <dwrite.h>
#include "ScaledFontBase.h"
struct ID2D1GeometrySink;
struct gfxFontStyle;
namespace mozilla {
namespace gfx {
class NativeFontResourceDWrite;
class UnscaledFontDWrite;
class ScaledFontDWrite final : public ScaledFontBase
{
public:
MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(ScaledFontDWrite, override)
ScaledFontDWrite(IDWriteFontFace *aFont,
const RefPtr<UnscaledFont>& aUnscaledFont,
Float aSize)
: ScaledFontBase(aUnscaledFont, aSize)
, mFontFace(aFont)
, mUseEmbeddedBitmap(false)
, mForceGDIMode(false)
, mGamma(2.2f)
, mContrast(1.0f)
{}
ScaledFontDWrite(IDWriteFontFace *aFontFace,
const RefPtr<UnscaledFont>& aUnscaledFont,
Float aSize,
bool aUseEmbeddedBitmap,
bool aForceGDIMode,
IDWriteRenderingParams *aParams,
Float aGamma,
Float aContrast,
const gfxFontStyle* aStyle = nullptr);
FontType GetType() const override { return FontType::DWRITE; }
already_AddRefed<Path> GetPathForGlyphs(const GlyphBuffer &aBuffer, const DrawTarget *aTarget) override;
void CopyGlyphsToBuilder(const GlyphBuffer &aBuffer, PathBuilder *aBuilder, const Matrix *aTransformHint) override;
void CopyGlyphsToSink(const GlyphBuffer &aBuffer, ID2D1GeometrySink *aSink);
void GetGlyphDesignMetrics(const uint16_t* aGlyphIndices, uint32_t aNumGlyphs, GlyphMetrics* aGlyphMetrics) override;
bool CanSerialize() override { return true; }
bool GetFontInstanceData(FontInstanceDataOutput aCb, void* aBaton) override;
AntialiasMode GetDefaultAAMode() override;
bool UseEmbeddedBitmaps() { return mUseEmbeddedBitmap; }
bool ForceGDIMode() { return mForceGDIMode; }
#ifdef USE_SKIA
SkTypeface* GetSkTypeface() override;
SkFontStyle mStyle;
#endif
RefPtr<IDWriteFontFace> mFontFace;
bool mUseEmbeddedBitmap;
bool mForceGDIMode;
// DrawTargetD2D1 requires the IDWriteRenderingParams,
// but we also separately need to store the gamma and contrast
// since Skia needs to be able to access these without having
// to use the full set of DWrite parameters (which would be
// required to recreate an IDWriteRenderingParams) in a
// DrawTargetRecording playback.
RefPtr<IDWriteRenderingParams> mParams;
Float mGamma;
Float mContrast;
protected:
#ifdef USE_CAIRO_SCALED_FONT
cairo_font_face_t* GetCairoFontFace() override;
#endif
private:
friend class NativeFontResourceDWrite;
friend class UnscaledFontDWrite;
struct InstanceData
{
explicit InstanceData(ScaledFontDWrite* aScaledFont)
: mUseEmbeddedBitmap(aScaledFont->mUseEmbeddedBitmap)
, mForceGDIMode(aScaledFont->mForceGDIMode)
, mGamma(aScaledFont->mGamma)
, mContrast(aScaledFont->mContrast)
{}
bool mUseEmbeddedBitmap;
bool mForceGDIMode;
Float mGamma;
Float mContrast;
};
};
}
}
#endif /* MOZILLA_GFX_SCALEDFONTDWRITE_H_ */